Details
An oxidised-brass surveying level,
by Troughton and Simms, LONDON, the telescope with rack and pinion focusing, graduated bubble level with cross-bubble, ray shade, the limb with compass mounting (compass needle, card and glass lacking), with three-screw tripod mounting, in mahogany case -- 20¼in. (51.4cm.) wide; and the associated tripd
by Troughton and Simms, LONDON, the telescope with rack and pinion focusing, graduated bubble level with cross-bubble, ray shade, the limb with compass mounting (compass needle, card and glass lacking), with three-screw tripod mounting, in mahogany case -- 20¼in. (51.4cm.) wide; and the associated tripd